Randy Mosher is the author of five beer and brewing books, including Mastering Homebrew and Beer for All Seasons. He also writes a regular column for All About Beer called The Taster. Randy is a member of the faculty of the Siebel Institute and teaches for the Doemens Beer Sommelier. He is also a creative consultant specializing in new product development and design for craft breweries, and is a partner in two Chicago-area breweries: 5 Rabbit Cerveceria and Forbidden Root.